International Telecommunication Union
IMT and IMS Technologies In
Developing Countries
Dr. Asok Chatterjee
Vice President, Ericsson, Inc.
(Co-Chair WP1, ITU-T SG13
&
Chairman, Proj Co-ord Grp of 3GPP)
IMT2000 Systems and beyond
LTE
ITU-R M.1801:
IEEE 802.16e, m
Mobility
High
WCDMA HSPA
EV-EnhancedNew Mobile
cdma2000EV-Enhanced
IMT-2000
1x
DO IMT-2000
DV IMT-2000 Access
Enhancement t
Enhancemen
Low
WMAN
NWA
1
ITU-R F.1763:
IEEE 802.16-2004
HiperMAN/ACCESS
New Nomadic / Local
Area Wireless Access
10
100
Peak Useful Data Rate (Mb/s)
1000
IEEE 802.11a/b/g
HIPERLAN
2
1
IMT-2000 Standards:
3G Partnerships
IMT-2000
GSM- based UMTS
+ IP Multimedia
Subsystem (IMS)
ITU-T SG 13
ITU-R WP 5D
ARIB
/TTC
ATIS
TTA
TIA
IS-41 + CDMA2000
+ Multimedia Domain (MMD)
3
3
3GPPs and ITU-R WP 5D
Specifications
TSG-C
SDO standards
Approved
TSG-RAN
Updated
Transposed
Submitted by
SDOs to ITU-R
etc
Rec. M.1457.n (next version: n = 9)
• High level description of air interfaces
• References SDOs' standards (ETSI, ATIS, ARIB, TTA, CCSA, etc.)
4
4
2
ITU-T Gives Mobile Systems
Prominence
o WTSA-2000 created the Special Study Group
(SSG)
on “IMT-2000 and systems
beyond”
o Based on the accomplishments of the SSG
and the continuing growth of mobile
networks, WTSA-2004 upgraded SSG to a
regular SG: SG 19 “Mobile
telecommunication networks”
o Considering the closed cooperation on
mobile systems and mobility by co-located
SG meetings of SG13 and SG19 for the whole
study period 2005-2008 WTSA-2008 merged
SG13 and SG19.
5
IMT-2000 in ITU-T
o Users will only get “service” if there are
both:
• Radio access interfaces
• A suitable core network infrastructure
o Hence need for ITU-R and ITU-T to
continue to work closely together to
ensure a “complete package”
• It’s not only about radio access, “wired”
users expect broadband access, too!
6
3
IMT-2000: 3GPPs & ITU-T SG13
Specifications
TSG-N/P
TSG-CN
SDO standards
Approved
Updated
Transposed
Submitted by
SDOs to ITU-T
etc.
Rec Q.1741.n (next n=5), Q.1742.m (next, m=7)
• 3G road map
• Refers out to the SDOs' standards (ETSI, ATIS, TTA, TTC, CCSA,
etc.)
7
Q.174x.y Series
Recommendations
o
“IMT-2000 references to release to GSM evolved UMTS core network
with UTRAN access network Release <#>”
•
•
•
•
•
•
o
Q.1741.1
Q.1741.2
Q.1741.3
Q.1741.4
Q.1741.5
Q.1741.6
Release
Release
Release
Release
Release
Release
1999
4
5
6
7
8 (in preparation 10/09)
“IMT-2000 references to ANSI-41 evolved core network with cdma2000
access network (as of <date>)”
•
•
•
•
•
•
•
Q.1742.1
Q.1742.2
Q.1742.3
Q.1742.4
Q.1742.5
Q.1742.6
Q.1742.7
as
as
as
as
as
as
as
of
of
of
of
of
of
of
17 Jul 2001
11 Jul 2002
30 Jun 2003
30 Jun 2004
31 Dec 2005
31 Dec 2006
30 Jun 2008
8
8
4
Q.10/13 - Identification of evolving
IMT-2000 systems and beyond
o
o
Determination of architectures and
detailed specifications produced by
recognised SDOs which make up the
evolving IMT systems and beyond
Facilitating the recognition of those
systems and their adoption by the
broader ITU community
9
Mobile networks as integral part of
NGN access
Yesterday
Single service networks
Today and Tomorrow
Multiservice networks/client server
NGN
=> Key
issue mobility
10
5
IP Multimedia Subsystems (IMS)
o The world of telecommunications is increasingly
going packet-based digital, based on Internet
Protocol (IP)
o IMS is an architectural framework for delivering
IP-based multimedia services
o IMS does not standardize applications, but uses
IETF protocols (e.g. SIP) to aid access of services
from wireless and wireline terminals (separates
applications from modes of access)
o It can be viewed as a tool to get to FMC
11
Development of IMS
o IMS was originally designed by 3GPP for
mobile networks
o It is now enjoying support from various
sectors of telecommunications industry
o Some core aspects of IMS are now being
developed in close cooperation between
3GPP, 3GPP2, wireline, and cable
industries
12
6
Resolution 44 - Bridging the standardization gap between
developing and developed countries
Motivation
o Many mobile subscribers are in developing countries
o Mobile networks are much more than radio access, and
require sound network infrastructure to connect to
o Mobility has become such an important issue that it needs to
be studied carefully
o Issues around IMT and IMS need to be well understood,
especially in developing countries, for the desired level of
success in deployment and implementation
o There is a need for developing countries to have a greater
say in the ongoing evolution of NGN networks
Hence Question 15/13 (Applying IMS and IMT in developing
country mobile telecom networks ) was adopted to
address the above issues.
13
Q15/13 Expected outcomes
o Document summarizing the findings of a gap
analysis on the current status and trends of IMS
and IMT in customer user needs, technology,
market, and standardization requirements, if
any, from the view-point of telecom networks in
developing countries
o Collection of scenarios in terms of services and
deployments for applying IMS and IMT in the
mobile telecom networks in developing counties
o Requirements in terms of services and
deployments for applying IMS and IMT in the
mobile telecom networks in developing countries
14
7
Collaboration with External Industry
Organizations
o The real world experiences are available only from
the organizations that represent the industry
o Contacts established with GSM Association (GSMA),
CDMA Development Group (CDG), WiMAX Forum
o Issues being discussed
•
•
•
•
•
User requirements
Technical requirements
Roadmap/Migration
Interoperability scenarios
Operations/Product support
15
Collaboration with ITU-D
o ITU-D has always been in the forefront of
supporting developing countries for their
future telecommunications needs
o Both ITU-R and ITU-T coordinate with ITUD regarding deployment of IMT and IMS
systems in developing countries
o Between the three sectors of ITU, full
support is available to the global
community.
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8
To learn more…
For more information please visit
the web site
http://www.itu.int
and SG13 web page in particular
http://www.itu.int/ITUT/studygroups/com13/index.asp
or contact
asok.chatterjee@ericsson.com
17
Thank you for your attention!
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9